Module Difference array

Difference array

Frequency: 7/10

An application of prefix sum.

Resources

- [Codeforces blog: An Introduction To Difference Arrays](https://codeforces.com/blog/entry/78762)

Problems

Range update 541 / 564 800
2D range update 340 / 345 800
Bulk range update 275 / 298 900
Climbing 72 / 90 1000
Stair range update 218 / 255 1100